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Nature Of Operations And Summary Of Significant Accounting Policies (Components Other Current Assets) (Details) - USD ($)
$ in Thousands
Aug. 31, 2017
Aug. 31, 2016
Other current assets $ 8,367 $ 3,401
Deferred Commissions [Member]    
Other current assets 6,150 1,664
Other Current Assets [Member]    
Other current assets $ 2,217 $ 1,737